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AZC199-02S датащи(PDF) 4 Page - AMAZING Microelectronic Corp. |
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AZC199-02S датащи(HTML) 4 Page - AMAZING Microelectronic Corp. |
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4 / 8 page ![]() AZC199-02S Low Capacitance High ESD Level Protection Array For High Speed I/O Port Revision 2016/06/21 ©2016 Amazing Micro. 4 www.amazingIC.com Applications Information The AZC199-02S is designed to protect two lines against System ESD/EFT/Lightning pulses by clamping them to an acceptable reference. The usage of the AZC199-02S is shown in Fig. 1. Protected lines, such as data lines, control lines, or power lines, are connected at pin 1 and 2. The pin 3 should be connected directly to a ground plane on the board. All path lengths connected to the pins of AZC199-02S should be kept as short as possible to minimize parasitic inductance in the board traces. In order to obtain enough suppression of ESD induced transient, good circuit board is critical. Thus, the following guidelines are recommended: Minimize the path length between the protected lines and the AZC199-02S. Place the AZC199-02S near the input terminals or connectors to restrict transient coupling. The ESD current return path to ground should be kept as short as possible. Use ground planes whenever possible. NEVER route critical signals near board edges and near the lines which the ESD transient easily injects to. High Speed IO Ports VDD data-1 data-2 Control-1 GND Fig. 1 |
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